CPU Comparison
Intel Core i5-6500T vs Intel Core i5-8500T
A side-by-side comparison of specs, performance and value. The Intel Core i5-6500T is a low-power 35W Skylake quad-core processor designed for small form factor and enterprise desktops, offering balanced performance with strict thermal constraints.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Adequate for office tasks but slow for rendering or heavy multitasking.
6 cores handle office tasks easily, with decent single-core speed.
Gaming
Low base and boost clocks severely limit gaming performance compared to 65W parts.
Can handle light games, but low clocks limit high-refresh gaming.
Virtualization
4 threads and low clocks make it poorly suited for VMs.
Good for 1-2 VMs, but lacks hyper-threading.
Efficiency
Excellent performance-per-watt for a 14nm quad-core of its era.
Outstanding efficiency with a 35W TDP.
Specialized Performance
AI / ML
- Insufficient thread count and low clocks make AI inference impractical
- No dedicated AI hardware.
- Low clocks make inference slow.
Content Creation
Gaming
- Low clock speeds cause sub-60fps frame rates in CPU-heavy titles
- Not recommended for gaming without a GPU
- Suffers from severe 1% low frame drops
- Clocks are too low for modern CPU-bound games.
- UHD 630 is only good for very light titles.
- Needs a low-end discrete GPU for decent gaming.
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Extremely low 35W TDP
- Runs very cool and quiet
- True quad-core design
- Good for basic SFF and NAS builds
Cons
- Low base and boost clocks
- Locked multiplier
- Only 4 threads
- Hard to find boxed retail versions
Pros
- Extremely low 35W TDP
- 6 cores for parallel tasks
- Higher base clock than 8400T
- Runs very cool
Cons
- Locked multiplier
- No Hyper-Threading
- End-of-life platform
- Limited by 35W power limit under load
Competitors & Alternatives
Intel Core i5-6500T
- AMD Pro A12-8800BRival
Low Power OEM
- Compare head-to-headIntel Core i5-6500Rival
Standard Desktop
- Intel Core i3-6100TRival
Low Power Budget
- AMD A10-7870KRival
Desktop APU
- Compare head-to-headIntel Core i5-4590TRival
Previous Gen Low Power
6 cores and 9 threads in the same 35W envelope for cheap on the used market.
Compare head-to-head- AMD Ryzen 5 5500Alt
Massively faster and more efficient for a similar price point.
Modern low-power champion with incredible single-core speeds.
Compare head-to-head- Intel N100Alt
Modern ultra-low-power solution for NAS and basic SFF builds.
- AMD Ryzen 5 PRO 4650GEAlt
OEM-only but excellent 6-core/12-thread 35W alternative.
Intel Core i5-8500T
- AMD Ryzen 5 2400GERival
Low Power Desktop
- Compare head-to-headIntel Core i5-8400TRival
Low Power Desktop
- AMD Ryzen 5 2600ERival
Low Power Desktop
- Compare head-to-headIntel Core i7-8700TRival
High-End Low Power
- AMD Ryzen 3 2200GERival
Budget Low Power
Slightly faster clocks, same TDP.
Compare head-to-head- AMD Ryzen 5 3400GEAlt
Better integrated graphics.
Much faster modern architecture.
Compare head-to-head- AMD Ryzen 5 5600GEAlt
Better efficiency and performance.
Our Verdict on Each
A capable low-power option in 2015, the i5-6500T sacrifices clock speeds for efficiency, making it strictly a budget/SFF salvage part today.
Best for: If you are buying a refurbished SFF office PC (like an HP EliteDesk or Dell OptiPlex) for basic home server duties, web browsing, or as a thin client, the i5-6500T is perfectly adequate. It runs incredibly cool and quiet, making it great for a living room PC that only handles 1080p streaming. However, you should never buy this processor standalone to build a new PC. Its low clocks and locked multiplier severely limit its potential, and modern low-power alternatives offer significantly better performance-per-watt. If you already own it, max out the RAM and add an NVMe SSD to extract the best possible everyday responsiveness, but do not invest in a dedicated GPU expecting a great gaming experience.
Read the full reviewAn excellent low-power 6-core processor that offers better performance than the 8400T, making it a great choice for SFF builds where space and power are constrained.
Best for: Building a quiet home server or SFF office PC using used parts.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i5-6500T or Intel Core i5-8500T?
Based on our editorial ratings, the Intel Core i5-8500T comes out ahead with a score of 7.8/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.
Which is faster for gaming, Intel Core i5-6500T or Intel Core i5-8500T?
For gaming, the Intel Core i5-8500T leads with a gaming performance score of 55/100 among Intel Core i5-6500T and Intel Core i5-8500T.
Do Intel Core i5-6500T and Intel Core i5-8500T use the same socket?
Yes — all of these CPUs use the LGA 1151 socket, so they share compatible motherboards.
Which has more cores?
The Intel Core i5-8500T has the most cores. Core counts: Intel Core i5-6500T (4 cores), Intel Core i5-8500T (6 cores).
Which is faster in multi-core benchmarks?
The Intel Core i5-8500T posts the highest multi-core benchmark score. Multi-core results: Intel Core i5-6500T (4,700), Intel Core i5-8500T (9,000). Benchmark figures are approximate and workload-dependent.